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First received: June 16, 2026

Clinical Trial: Comparison of Patient-Reported Comfort Between Two Clear Aligner Trimming-Line Designs: A Split-Mouth Study

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: Patient Comfort
Malocclusion
Oral Health

Study Type: OBSERVATIONAL


Official Title: Comparison of Patient-Reported Comfort Between Supragingival and Juxtagingival Clear Aligner Trimming-Line Designs: A Cross-Sectional, Within-Subject Split-Mouth Study

Brief Summary: * The trimming-line design of clear aligners (supragingival versus juxtagingival) is a routine clinical decision whose influence on patient-reported comfort has not been established; available evidence on aligner comfort derives almost exclusively from comparisons with fixed appliances.* This observational, cross-sectional study compares two clear aligner trimming-line designs with respect to patient-reported comfort: a supragingival design, whose edge rests on the marginal gingiva, and a juxtagingival design,…

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